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230473429 is a prime number
BaseRepresentation
bin11011011110010…
…11111011010101
3121001200021002221
431233023323111
5433000122204
634511502341
75465664124
oct1557137325
9531607087
10230473429
1110910710a
12652279b1
1338996914
1422875abb
1515378654
hexdbcbed5

230473429 has 2 divisors, whose sum is σ = 230473430. Its totient is φ = 230473428.

The previous prime is 230473427. The next prime is 230473447. The reversal of 230473429 is 924374032.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163200625 + 67272804 = 12775^2 + 8202^2 .

It is a cyclic number.

It is not a de Polignac number, because 230473429 - 21 = 230473427 is a prime.

Together with 230473427, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 230473394 and 230473403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230473427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115236714 + 115236715.

It is an arithmetic number, because the mean of its divisors is an integer number (115236715).

Almost surely, 2230473429 is an apocalyptic number.

It is an amenable number.

230473429 is a deficient number, since it is larger than the sum of its proper divisors (1).

230473429 is an equidigital number, since it uses as much as digits as its factorization.

230473429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 230473429 is about 15181.3513561870. The cubic root of 230473429 is about 613.1126655429.

The spelling of 230473429 in words is "two hundred thirty million, four hundred seventy-three thousand, four hundred twenty-nine".